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Reika [66]
3 years ago
6

Polly is comparing the cost of cell phone services. The phone she wants costs $899 at BT&T Cellular, and the unlimited calli

ng plan through their carrier would cost $2 per day. At Revizon Electronics, Polly could purchase the same phone for $799 and also get an unlimited calling plan for $3 per day. After some number of days, the two options would end up having the same total cost. What would the total cost be? How long would that take?
Mathematics
1 answer:
natima [27]3 years ago
5 0

Answer:

The total cost = $1,099

It would take 100 days

Step-by-step explanation:

Let

x = number of days

Cost of BT&T Cellular = 899 + 2x

Cost of Revizon Electronics = 799 + 3x

Equate the cost of both cell phone services.

899 + 2x = 799 + 3x

899 - 799 = 3x - 2x

100 = x

x = number of days = 100 days

Cost of BT&T Cellular = 899 + 2x

= 899 + 2(100)

= 899 + 200

= $1,099

Cost of Revizon Electronics = 799 + 3x

= 799 + 3(100)

= 799 + 300

= $1,099

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• Which of the following equations represents a line that is perpendicular to
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3 years ago
The ages of Anjali and Aditya are in the ratio 3: 4.Eight years later sum
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Answer:

12 years and 16 years

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their ages are in the ratio 3 : 4

let Anjali = 3x and Aditya = 4x ← present ages

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3 years ago
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